diff --git a/mainwindow.cpp b/mainwindow.cpp
index ae07bed..8077f80 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -84,6 +84,8 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(worker, &SerialWorker::connectionFailure, this, &MainWindow::connectionFailed, Qt::QueuedConnection);
     connect(worker, &SerialWorker::deviceInfo, this, &MainWindow::gotDeviceInfo, Qt::QueuedConnection);
     connect(this, &MainWindow::closeSerialPort, worker, &SerialWorker::closeSerialPort, Qt::QueuedConnection);
+    connect(this, &MainWindow::startFrameCapturing, worker, &SerialWorker::startFrameCapture);
+    connect(this, &MainWindow::stopFrameCapturing, worker, &SerialWorker::stopFrameCapture);
     serialWorkerThread.start();
 
     graphingWindow = NULL;
@@ -113,6 +115,7 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(ui->cbInterpret, SIGNAL(toggled(bool)), this, SLOT(interpretToggled(bool)));
     connect(ui->cbOverwrite, SIGNAL(toggled(bool)), this, SLOT(overwriteToggled(bool)));
     connect(ui->actionEdit_Messages_Signals, SIGNAL(triggered(bool)), this, SLOT(showDBCEditor()));
+    connect(ui->btnCaptureToggle, SIGNAL(clicked(bool)), this, SLOT(toggleCapture()));
 
     lbStatusConnected.setText(tr("Not connected"));
     updateBaudLabel(0,0);
@@ -125,6 +128,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->lbNumFrames->setText("0");
 
     isConnected = false;
+    allowCapture = true;
 
     //create a temporary frame to be able to capture the correct
     //default height of an item in the table. Need to do this in case
@@ -731,6 +735,21 @@ void MainWindow::connButtonPress()
     }
 }
 
+void MainWindow::toggleCapture()
+{
+    allowCapture = !allowCapture;
+    if (allowCapture)
+    {
+        ui->btnCaptureToggle->setText("Suspend Capturing");
+        emit startFrameCapturing();
+    }
+    else
+    {
+        ui->btnCaptureToggle->setText("Restart Capturing");
+        emit stopFrameCapturing();
+    }
+}
+
 void MainWindow::connectionSucceeded(int baud0, int baud1)
 {
     lbStatusConnected.setText(tr("Connected to GVRET"));
diff --git a/mainwindow.h b/mainwindow.h
index d5e5f7d..ce33f4e 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -14,7 +14,7 @@
 #include "dbchandler.h"
 #include "dbcmaineditor.h"
 
-#define VERSION 105
+#define VERSION 106
 
 namespace Ui {
 class MainWindow;
@@ -49,6 +49,7 @@ private slots:
     void interpretToggled(bool);
     void overwriteToggled(bool);
     void showDBCEditor();
+    void toggleCapture();
 
 public slots:
     void gotFrames(int, int);
@@ -59,6 +60,9 @@ signals:
     void closeSerialPort();
     void updateBaudRates(int, int);
     void sendCANFrame(const CANFrame *, int);
+    void stopFrameCapturing();
+    void startFrameCapturing();
+
 
 private:
     Ui::MainWindow *ui;
@@ -69,6 +73,7 @@ private:
     QList<QSerialPortInfo> ports;
     QThread serialWorkerThread;
     QByteArray inputBuffer;
+    bool allowCapture;
 
     //References to other windows we can display
     GraphingWindow *graphingWindow;
diff --git a/mainwindow.ui b/mainwindow.ui
index 570310a..bc6d436 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -194,6 +194,13 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QPushButton" name="btnCaptureToggle">
+        <property name="text">
+         <string>Suspend Capturing</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QPushButton" name="btnClearFrames">
         <property name="text">
diff --git a/serialworker.cpp b/serialworker.cpp
index bab78a2..612831c 100644
--- a/serialworker.cpp
+++ b/serialworker.cpp
@@ -15,6 +15,7 @@ SerialWorker::SerialWorker(CANFrameModel *model, QObject *parent) : QObject(pare
     ticker = NULL;
     elapsedTime = NULL;
     framesPerSec = 0;
+    capturing = true;
 }
 
 SerialWorker::~SerialWorker()
@@ -246,10 +247,11 @@ void SerialWorker::procRXChar(unsigned char c)
                 rx_state = IDLE;
                 rx_step = 0;
                 //qDebug() << "emit from serial handler to main form id: " << buildFrame->ID;
-                //emit receivedFrame(buildFrame);
-                canModel->addFrame(*buildFrame, false);
-                gotFrames++;
-                //buildFrame = new CANFrame;
+                if (capturing)
+                {
+                    canModel->addFrame(*buildFrame, false);
+                    gotFrames++;
+                }
             }
             break;
         }
@@ -368,3 +370,16 @@ void SerialWorker::closeSerialPort()
     delete serial;
     serial = NULL;
 }
+
+void SerialWorker::stopFrameCapture()
+{
+    qDebug() << "Stopping frame capture";
+    capturing = false;
+}
+
+void SerialWorker::startFrameCapture()
+{
+    qDebug() << "Starting up frame capture";
+    capturing = true;
+}
+
diff --git a/serialworker.h b/serialworker.h
index 10e7704..e987abb 100644
--- a/serialworker.h
+++ b/serialworker.h
@@ -48,11 +48,14 @@ public slots:
     void closeSerialPort();
     void sendFrame(const CANFrame *, int);
     void updateBaudRates(int, int);
+    void stopFrameCapture();
+    void startFrameCapture(); //only need to call this if previously stopped. Otherwise it's the default
 
 private:
     QString portName;
     bool quit;
     bool connected;
+    bool capturing;
     QSerialPort *serial;
     CANFrameModel *canModel;
     QTimer *ticker;